2,7-Diaminofluorene
https://www.sjzchem-pharm.com/shop/fm-3b-d0092-27-diaminofluorene-74927
https://www.sjzchem-pharm.com/web/image/product.template/74927/image_1920?unique=f421631
2,7-Diaminofluorene, high-purity diamine for polymer synthesis, epoxy, and specialty chemical applications.
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